Essentially, the Texas Instruments TI-36X Pro and the TI-30X MathPrint are functionally equivalent. What makes the two calculators different?
* The TI-36X Pro is sold in the United States and in lot of the world, with the TI-30X MathPrint is sold primarily from Europe. I ordered my TI-30X Pro MathPrint from the United Kingdom.
Product pages from Texas Instruments:
TI-36X Pro (United States and Canada)
TI-30X MathPrint (Denmark, in Danish):
Australia has a TI-30XPlus MathPrint, which is styled like the TI-30X Pro MathPrint, but without calculus functions.
* Thanks to the body of the calculator being curved, the TI-36X Pro is slightly bigger than the TI-30X Pro MathPrint.
* The screen on the TI-36X Pro is a curved trapezoid, while the screen of the TI-30X Pro MathPrint has is rectangular.
* The TI-36X Pro has a circular arrow keypad while the TI-30X Pro MathPrint has a rectangular arrow keypad.
* The TI-30X Pro Math print has black characters, while the TI-36X Pro has blue characters.
* The font on the keys of the TI-30X Pro Math are larger than than the font on the TI-36X Pro's keys.
Here are some pictures.